Abstract：From various aspects，it introduces academic thoughts about treating spleen-stomach diseases by Professor CHEN Jianzhang， a practitioner in Xujiang medical school and makes a preliminary summary of the administration rules. In theory，CHEN Jianzhang attaches importance to the classics and the advantages of other medical schools in the treatment of spleen- stomach diseases. During diagnosis and treatment， he actively advocates the four diagnostic methods of Chinese medicine and examination. In terms of treatment principles，he views balance as the major treatment method，and tends to apply dampness- dispelling medicinal and cold- cool medicinal together. When it comes to prescription making， he emphasizes the combination of several minor prescriptions. What's more， he thinks highly of the treatment of digestive， psychological and physical diseases，and combines drug treatment with emotional treatment based on the thinking method of harmonizing stomach，heart and spirit.